Obesity: Bariatric Surgery

Key points

• The use of bariatric surgery in the management of obesity has developed significantly over the past decade.
• they have a BMI of 40 kg/m^2 or more, or between 35 kg/m^2 and 40 kg/m^2 and other significant disease (for example, type 2 diabetes mellitus, hypertension) that could be improved if they lost weight
• all appropriate non-surgical measures have failed to achieve or maintain adequate clinically beneficial weight loss for at least 6 months
• they are receiving or will receive intensive specialist management
• they are generally fit for anaesthesia and surgery